Material or article handling equipment – Conveying – lifting – or transferring article – Ramp
Patent
1986-02-10
1989-02-28
Burke, Wallace R.
Material or article handling equipment
Conveying, lifting, or transferring article
Ramp
Patent
active
D03000737
REFERENCES:
patent: 3511393 (1970-05-01), Abromavage et al.
patent: 3870170 (1975-03-01), Noble et al.
patent: 4235370 (1980-11-01), Newby
patent: 4528711 (1985-07-01), Packer
Burke Wallace R.
Chin Kay H.
Cox Scott R.
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